/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.camel.component.reactive.streams.api;

/**
 * A callback used to signal when a item coming from a Camel route has been delivered to the external stream processor.
 */
@FunctionalInterface
public interface DispatchCallback<T> {

    /**
     * Signals the delivery of the item. If the item cannot be delivered (no subscribers registered, conversion error)
     * the related {@link Throwable} is specified as parameter.
     *
     * @param data  the item
     * @param error the error occurred, if any
     */
    void processed(T data, Throwable error);

}
